/*
 * Copyright 2009-2010 the original author or authors.
 *
 * Licensed under the Apache license, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.internna.iwebjtracker.subversion.server.model;

import org.tmatesoft.svn.core.wc.SVNRevision;
import org.internna.iwebmvc.utils.Assert;
import org.internna.iwebjtracker.server.scm.model.Revision;

/**
 * A revision wrapper.
 *
 * @author Jose Noheda
 * @since 1.0
 */
public final class SVNKitRevision implements Revision {

    private final SVNRevision revision;

    /**
     *
     * @param revision a non null instance
     */
    public SVNKitRevision(SVNRevision revision) {
        Assert.notNull(revision);
        this.revision = revision;
    }

    /**
     * The configured revision.
     *
     * @return a non null instance
     */
    public SVNRevision getRevision() {
        return revision;
    }

    /**
     * The revision number.
     *
     * @return -1 for special revisions like HEAD, a positive number otherwise.
     */
    @Override public String getIdentifier() {
        return String.valueOf(revision.getNumber());
    }

}
